| 1 |
<?php |
| 2 |
/** |
| 3 |
* @package php-svg-lib |
| 4 |
* @link http://github.com/dompdf/php-svg-lib |
| 5 |
* @license GNU LGPLv3+ http://www.gnu.org/copyleft/lesser.html |
| 6 |
*/ |
| 7 |
|
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namespace Svg\Surface; |
| 9 |
|
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use Svg\Document; |
| 11 |
use Svg\Style; |
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|
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class SurfaceCpdf implements SurfaceInterface |
| 14 |
{ |
| 15 |
const DEBUG = false; |
| 16 |
|
| 17 |
/** @var \Svg\Surface\CPdf */ |
| 18 |
private $canvas; |
| 19 |
|
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private $width; |
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private $height; |
| 22 |
|
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/** @var Style */ |
| 24 |
private $style; |
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|
| 26 |
public function __construct(Document $doc, $canvas = null) |
| 27 |
{ |
| 28 |
if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 29 |
|
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$dimensions = $doc->getDimensions(); |
| 31 |
$w = $dimensions["width"]; |
| 32 |
$h = $dimensions["height"]; |
| 33 |
|
| 34 |
if (!$canvas) { |
| 35 |
$canvas = new \Svg\Surface\CPdf(array(0, 0, $w, $h)); |
| 36 |
$refl = new \ReflectionClass($canvas); |
| 37 |
$canvas->fontcache = realpath(dirname($refl->getFileName()) . "/../../fonts/")."/"; |
| 38 |
} |
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|
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// Flip PDF coordinate system so that the origin is in |
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// the top left rather than the bottom left |
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$canvas->transform(array( |
| 43 |
1, 0, |
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0, -1, |
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0, $h |
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)); |
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|
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$this->width = $w; |
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$this->height = $h; |
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|
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$this->canvas = $canvas; |
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} |
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|
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function out() |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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return $this->canvas->output(); |
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} |
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|
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public function save() |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->save(); |
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} |
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|
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public function restore() |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->restore(); |
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} |
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|
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public function scale($x, $y) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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|
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$this->transform($x, 0, 0, $y, 0, 0); |
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} |
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|
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public function rotate($angle) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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|
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$a = deg2rad($angle); |
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$cos_a = cos($a); |
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$sin_a = sin($a); |
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|
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$this->transform( |
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$cos_a, $sin_a, |
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-$sin_a, $cos_a, |
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0, 0 |
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); |
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} |
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|
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public function translate($x, $y) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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|
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$this->transform( |
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1, 0, |
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0, 1, |
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$x, $y |
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); |
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} |
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|
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public function transform($a, $b, $c, $d, $e, $f) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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|
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$this->canvas->transform(array($a, $b, $c, $d, $e, $f)); |
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} |
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|
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public function beginPath() |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 115 |
// TODO: Implement beginPath() method. |
| 116 |
} |
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|
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public function closePath() |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->closePath(); |
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} |
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|
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public function fillStroke(bool $close = false) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->fillStroke($close); |
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} |
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|
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public function clip() |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->clip(); |
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} |
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|
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public function fillText($text, $x, $y, $maxWidth = null) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->addText($x, $y, $this->style->fontSize, $text); |
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} |
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|
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public function strokeText($text, $x, $y, $maxWidth = null) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->addText($x, $y, $this->style->fontSize, $text); |
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} |
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|
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public function drawImage($image, $sx, $sy, $sw = null, $sh = null, $dx = null, $dy = null, $dw = null, $dh = null) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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|
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if (strpos($image, "data:") === 0) { |
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$parts = explode(',', $image, 2); |
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|
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$data = $parts[1]; |
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$base64 = false; |
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|
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$token = strtok($parts[0], ';'); |
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while ($token !== false) { |
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if ($token == 'base64') { |
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$base64 = true; |
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} |
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|
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$token = strtok(';'); |
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} |
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|
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if ($base64) { |
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$data = base64_decode($data); |
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} |
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} |
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else { |
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$data = file_get_contents($image); |
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} |
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|
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$image = tempnam(sys_get_temp_dir(), "svg"); |
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file_put_contents($image, $data); |
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|
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$img = $this->image($image, $sx, $sy, $sw, $sh, "normal"); |
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|
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|
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unlink($image); |
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} |
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|
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public static function getimagesize($filename) |
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{ |
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static $cache = array(); |
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|
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if (isset($cache[$filename])) { |
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return $cache[$filename]; |
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} |
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|
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list($width, $height, $type) = getimagesize($filename); |
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|
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if ($width == null || $height == null) { |
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$data = file_get_contents($filename, null, null, 0, 26); |
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|
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if (substr($data, 0, 2) === "BM") { |
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$meta = unpack('vtype/Vfilesize/Vreserved/Voffset/Vheadersize/Vwidth/Vheight', $data); |
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$width = (int)$meta['width']; |
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$height = (int)$meta['height']; |
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$type = IMAGETYPE_BMP; |
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} |
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} |
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|
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return $cache[$filename] = array($width, $height, $type); |
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} |
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|
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function image($img, $x, $y, $w, $h, $resolution = "normal") |
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{ |
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list($width, $height, $type) = $this->getimagesize($img); |
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|
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switch ($type) { |
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case IMAGETYPE_JPEG: |
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$this->canvas->addJpegFromFile($img, $x, $y - $h, $w, $h); |
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break; |
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|
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case IMAGETYPE_GIF: |
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case IMAGETYPE_BMP: |
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// @todo use cache for BMP and GIF |
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$img = $this->_convert_gif_bmp_to_png($img, $type); |
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|
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case IMAGETYPE_PNG: |
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$this->canvas->addPngFromFile($img, $x, $y - $h, $w, $h); |
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break; |
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|
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default: |
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} |
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} |
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|
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public function lineTo($x, $y) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->lineTo($x, $y); |
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} |
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|
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public function moveTo($x, $y) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->moveTo($x, $y); |
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} |
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|
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public function quadraticCurveTo($cpx, $cpy, $x, $y) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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|
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// FIXME not accurate |
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$this->canvas->quadTo($cpx, $cpy, $x, $y); |
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} |
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|
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public function bezierCurveTo($cp1x, $cp1y, $cp2x, $cp2y, $x, $y) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->curveTo($cp1x, $cp1y, $cp2x, $cp2y, $x, $y); |
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} |
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|
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public function arcTo($x1, $y1, $x2, $y2, $radius) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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} |
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|
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public function arc($x, $y, $radius, $startAngle, $endAngle, $anticlockwise = false) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->ellipse($x, $y, $radius, $radius, 0, 8, $startAngle, $endAngle, false, false, false, true); |
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} |
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|
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public function circle($x, $y, $radius) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->ellipse($x, $y, $radius, $radius, 0, 8, 0, 360, true, false, false, false); |
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} |
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|
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public function ellipse($x, $y, $radiusX, $radiusY, $rotation, $startAngle, $endAngle, $anticlockwise) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->canvas->ellipse($x, $y, $radiusX, $radiusY, 0, 8, 0, 360, false, false, false, false); |
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} |
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|
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public function fillRect($x, $y, $w, $h) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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$this->rect($x, $y, $w, $h); |
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$this->fill(); |
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} |
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|
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public function rect($x, $y, $w, $h, $rx = 0, $ry = 0) |
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{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
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|
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$canvas = $this->canvas; |
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|
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if ($rx <= 0.000001/* && $ry <= 0.000001*/) { |
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$canvas->rect($x, $y, $w, $h); |
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|
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return; |
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} |
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|
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$rx = min($rx, $w / 2); |
| 299 |
$rx = min($rx, $h / 2); |
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|
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/* Define a path for a rectangle with corners rounded by a given radius. |
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* Start from the lower left corner and proceed counterclockwise. |
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*/ |
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$this->moveTo($x + $rx, $y); |
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|
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/* Start of the arc segment in the lower right corner */ |
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$this->lineTo($x + $w - $rx, $y); |
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|
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/* Arc segment in the lower right corner */ |
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$this->arc($x + $w - $rx, $y + $rx, $rx, 270, 360); |
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|
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/* Start of the arc segment in the upper right corner */ |
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$this->lineTo($x + $w, $y + $h - $rx ); |
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|
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/* Arc segment in the upper right corner */ |
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$this->arc($x + $w - $rx, $y + $h - $rx, $rx, 0, 90); |
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|
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/* Start of the arc segment in the upper left corner */ |
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$this->lineTo($x + $rx, $y + $h); |
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|
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/* Arc segment in the upper left corner */ |
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$this->arc($x + $rx, $y + $h - $rx, $rx, 90, 180); |
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|
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/* Start of the arc segment in the lower left corner */ |
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$this->lineTo($x , $y + $rx); |
| 326 |
|
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/* Arc segment in the lower left corner */ |
| 328 |
$this->arc($x + $rx, $y + $rx, $rx, 180, 270); |
| 329 |
} |
| 330 |
|
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public function fill() |
| 332 |
{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 334 |
$this->canvas->fill(); |
| 335 |
} |
| 336 |
|
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public function strokeRect($x, $y, $w, $h) |
| 338 |
{ |
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if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 340 |
$this->rect($x, $y, $w, $h); |
| 341 |
$this->stroke(); |
| 342 |
} |
| 343 |
|
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public function stroke(bool $close = false) |
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{ |
| 346 |
if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 347 |
$this->canvas->stroke($close); |
| 348 |
} |
| 349 |
|
| 350 |
public function endPath() |
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{ |
| 352 |
if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 353 |
$this->canvas->endPath(); |
| 354 |
} |
| 355 |
|
| 356 |
public function measureText($text) |
| 357 |
{ |
| 358 |
if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 359 |
$style = $this->getStyle(); |
| 360 |
$this->setFont($style->fontFamily, $style->fontStyle, $style->fontWeight); |
| 361 |
|
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return $this->canvas->getTextWidth($this->getStyle()->fontSize, $text); |
| 363 |
} |
| 364 |
|
| 365 |
public function getStyle() |
| 366 |
{ |
| 367 |
if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 368 |
return $this->style; |
| 369 |
} |
| 370 |
|
| 371 |
public function setStyle(Style $style) |
| 372 |
{ |
| 373 |
if (self::DEBUG) echo __FUNCTION__ . "\n"; |
| 374 |
|
| 375 |
$this->style = $style; |
| 376 |
$canvas = $this->canvas; |
| 377 |
|
| 378 |
if (is_array($style->stroke) && $stroke = $style->stroke) { |
| 379 |
$canvas->setStrokeColor(array((float)$stroke[0]/255, (float)$stroke[1]/255, (float)$stroke[2]/255), true); |
| 380 |
} |
| 381 |
|
| 382 |
if (is_array($style->fill) && $fill = $style->fill) { |
| 383 |
$canvas->setColor(array((float)$fill[0]/255, (float)$fill[1]/255, (float)$fill[2]/255), true); |
| 384 |
} |
| 385 |
|
| 386 |
if ($fillRule = strtolower($style->fillRule)) { |
| 387 |
$canvas->setFillRule($fillRule); |
| 388 |
} |
| 389 |
|
| 390 |
$opacity = $style->opacity; |
| 391 |
if ($opacity !== null && $opacity < 1.0) { |
| 392 |
$canvas->setLineTransparency("Normal", $opacity); |
| 393 |
$canvas->currentLineTransparency = null; |
| 394 |
|
| 395 |
$canvas->setFillTransparency("Normal", $opacity); |
| 396 |
$canvas->currentFillTransparency = null; |
| 397 |
} |
| 398 |
else { |
| 399 |
$fillOpacity = $style->fillOpacity; |
| 400 |
if ($fillOpacity !== null && $fillOpacity < 1.0) { |
| 401 |
$canvas->setFillTransparency("Normal", $fillOpacity); |
| 402 |
$canvas->currentFillTransparency = null; |
| 403 |
} |
| 404 |
|
| 405 |
$strokeOpacity = $style->strokeOpacity; |
| 406 |
if ($strokeOpacity !== null && $strokeOpacity < 1.0) { |
| 407 |
$canvas->setLineTransparency("Normal", $strokeOpacity); |
| 408 |
$canvas->currentLineTransparency = null; |
| 409 |
} |
| 410 |
} |
| 411 |
|
| 412 |
$dashArray = null; |
| 413 |
if ($style->strokeDasharray) { |
| 414 |
$dashArray = preg_split('/\s*,\s*/', $style->strokeDasharray); |
| 415 |
} |
| 416 |
|
| 417 |
|
| 418 |
$phase=0; |
| 419 |
if ($style->strokeDashoffset) { |
| 420 |
$phase = $style->strokeDashoffset; |
| 421 |
} |
| 422 |
|
| 423 |
|
| 424 |
$canvas->setLineStyle( |
| 425 |
$style->strokeWidth, |
| 426 |
$style->strokeLinecap, |
| 427 |
$style->strokeLinejoin, |
| 428 |
$dashArray, |
| 429 |
$phase |
| 430 |
); |
| 431 |
|
| 432 |
$this->setFont($style->fontFamily, $style->fontStyle, $style->fontWeight); |
| 433 |
} |
| 434 |
|
| 435 |
public function setFont($family, $style, $weight) |
| 436 |
{ |
| 437 |
$map = [ |
| 438 |
"serif" => "times", |
| 439 |
"sans-serif" => "helvetica", |
| 440 |
"fantasy" => "symbol", |
| 441 |
"cursive" => "times", |
| 442 |
"monospace" => "courier" |
| 443 |
]; |
| 444 |
|
| 445 |
$styleMap = [ |
| 446 |
"courier" => [ |
| 447 |
"" => "Courier", |
| 448 |
"b" => "Courier-Bold", |
| 449 |
"i" => "Courier-Oblique", |
| 450 |
"bi" => "Courier-BoldOblique", |
| 451 |
], |
| 452 |
"helvetica" => [ |
| 453 |
"" => "Helvetica", |
| 454 |
"b" => "Helvetica-Bold", |
| 455 |
"i" => "Helvetica-Oblique", |
| 456 |
"bi" => "Helvetica-BoldOblique", |
| 457 |
], |
| 458 |
"symbol" => [ |
| 459 |
"" => "Symbol" |
| 460 |
], |
| 461 |
"times" => [ |
| 462 |
"" => "Times-Roman", |
| 463 |
"b" => "Times-Bold", |
| 464 |
"i" => "Times-Italic", |
| 465 |
"bi" => "Times-BoldItalic", |
| 466 |
], |
| 467 |
]; |
| 468 |
|
| 469 |
$family_lc = strtolower($family); |
| 470 |
if (isset($map[$family_lc])) { |
| 471 |
$family = $map[$family_lc]; |
| 472 |
} |
| 473 |
|
| 474 |
if (isset($styleMap[$family])) { |
| 475 |
$key = ""; |
| 476 |
|
| 477 |
$weight = strtolower($weight); |
| 478 |
if ($weight === "bold" || $weight === "bolder" || (is_numeric($weight) && $weight >= 600)) { |
| 479 |
$key .= "b"; |
| 480 |
} |
| 481 |
|
| 482 |
$style = strtolower($style); |
| 483 |
if ($style === "italic" || $style === "oblique") { |
| 484 |
$key .= "i"; |
| 485 |
} |
| 486 |
|
| 487 |
if (isset($styleMap[$family][$key])) { |
| 488 |
$family = $styleMap[$family][$key]; |
| 489 |
} |
| 490 |
} |
| 491 |
|
| 492 |
$this->canvas->selectFont("$family.afm"); |
| 493 |
} |
| 494 |
} |
| 495 |
|
